board/freescale/mx53smd/mx53smd.c

   1 /*
   2  * (C) Copyright 2011 Freescale Semiconductor, Inc.
   3  *
   4  * SPDX-License-Identifier:     GPL-2.0+
   5  */
   6
   7 #include <common.h>
   8 #include <asm/io.h>
   9 #include <asm/arch/imx-regs.h>
  10 #include <asm/arch/sys_proto.h>
  11 #include <asm/arch/crm_regs.h>
  12 #include <asm/arch/clock.h>
  13 #include <asm/arch/iomux-mx53.h>
  14 #include <linux/errno.h>
  15 #include <netdev.h>
  16 #include <mmc.h>
  17 #include <fsl_esdhc.h>
  18 #include <asm/gpio.h>
  19
  20 DECLARE_GLOBAL_DATA_PTR;
  21
  22 int dram_init(void)
  23 {
  24         u32 size1, size2;
  25
  26         size1 = get_ram_size((void *)PHYS_SDRAM_1, PHYS_SDRAM_1_SIZE);
  27         size2 = get_ram_size((void *)PHYS_SDRAM_2, PHYS_SDRAM_2_SIZE);
  28
  29         gd->ram_size = size1 + size2;
  30
  31         return 0;
  32 }
  33 int dram_init_banksize(void)
  34 {
  35         gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
  36         gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE;
  37
  38         gd->bd->bi_dram[1].start = PHYS_SDRAM_2;
  39         gd->bd->bi_dram[1].size = PHYS_SDRAM_2_SIZE;
  40
  41         return 0;
  42 }
  43
  44 #define UART_PAD_CTRL   (PAD_CTL_HYS | PAD_CTL_DSE_HIGH | \
  45                          PAD_CTL_PUS_100K_UP | PAD_CTL_ODE)
  46
  47 static void setup_iomux_uart(void)
  48 {
  49         static const iomux_v3_cfg_t uart_pads[] = {
  50                 NEW_PAD_CTRL(MX53_PAD_CSI0_DAT11__UART1_RXD_MUX, UART_PAD_CTRL),
  51                 NEW_PAD_CTRL(MX53_PAD_CSI0_DAT10__UART1_TXD_MUX, UART_PAD_CTRL),
  52         };
  53
  54         imx_iomux_v3_setup_multiple_pads(uart_pads, ARRAY_SIZE(uart_pads));
  55 }
  56
  57 static void setup_iomux_fec(void)
  58 {
  59         static const iomux_v3_cfg_t fec_pads[] = {
  60                 NEW_PAD_CTRL(MX53_PAD_FEC_MDIO__FEC_MDIO, PAD_CTL_HYS |
  61                         PAD_CTL_DSE_HIGH | PAD_CTL_PUS_22K_UP | PAD_CTL_ODE),
  62                 NEW_PAD_CTRL(MX53_PAD_FEC_MDC__FEC_MDC, PAD_CTL_DSE_HIGH),
  63                 NEW_PAD_CTRL(MX53_PAD_FEC_RXD1__FEC_RDATA_1,
  64                                 PAD_CTL_HYS | PAD_CTL_PKE),
  65                 NEW_PAD_CTRL(MX53_PAD_FEC_RXD0__FEC_RDATA_0,
  66                                 PAD_CTL_HYS | PAD_CTL_PKE),
  67                 NEW_PAD_CTRL(MX53_PAD_FEC_TXD1__FEC_TDATA_1, PAD_CTL_DSE_HIGH),
  68                 NEW_PAD_CTRL(MX53_PAD_FEC_TXD0__FEC_TDATA_0, PAD_CTL_DSE_HIGH),
  69                 NEW_PAD_CTRL(MX53_PAD_FEC_TX_EN__FEC_TX_EN, PAD_CTL_DSE_HIGH),
  70                 NEW_PAD_CTRL(MX53_PAD_FEC_REF_CLK__FEC_TX_CLK,
  71                                 PAD_CTL_HYS | PAD_CTL_PKE),
  72                 NEW_PAD_CTRL(MX53_PAD_FEC_RX_ER__FEC_RX_ER,
  73                                 PAD_CTL_HYS | PAD_CTL_PKE),
  74                 NEW_PAD_CTRL(MX53_PAD_FEC_CRS_DV__FEC_RX_DV,
  75                                 PAD_CTL_HYS | PAD_CTL_PKE),
  76         };
  77
  78         imx_iomux_v3_setup_multiple_pads(fec_pads, ARRAY_SIZE(fec_pads));
  79 }
  80
  81 #ifdef CONFIG_FSL_ESDHC
  82 struct fsl_esdhc_cfg esdhc_cfg[1] = {
  83         {MMC_SDHC1_BASE_ADDR},
  84 };
  85
  86 int board_mmc_getcd(struct mmc *mmc)
  87 {
  88         imx_iomux_v3_setup_pad(MX53_PAD_EIM_DA13__GPIO3_13);
  89         gpio_direction_input(IMX_GPIO_NR(3, 13));
  90         return !gpio_get_value(IMX_GPIO_NR(3, 13));
  91 }
  92
  93 #define SD_CMD_PAD_CTRL         (PAD_CTL_HYS | PAD_CTL_DSE_HIGH | \
  94                                  PAD_CTL_PUS_100K_UP)
  95 #define SD_PAD_CTRL             (PAD_CTL_HYS | PAD_CTL_PUS_47K_UP | \
  96                                  PAD_CTL_DSE_HIGH)
  97
  98 int board_mmc_init(bd_t *bis)
  99 {
 100         static const iomux_v3_cfg_t sd1_pads[] = {
 101                 NEW_PAD_CTRL(MX53_PAD_SD1_CMD__ESDHC1_CMD, SD_CMD_PAD_CTRL),
 102                 NEW_PAD_CTRL(MX53_PAD_SD1_CLK__ESDHC1_CLK, SD_PAD_CTRL),
 103                 NEW_PAD_CTRL(MX53_PAD_SD1_DATA0__ESDHC1_DAT0, SD_PAD_CTRL),
 104                 NEW_PAD_CTRL(MX53_PAD_SD1_DATA1__ESDHC1_DAT1, SD_PAD_CTRL),
 105                 NEW_PAD_CTRL(MX53_PAD_SD1_DATA2__ESDHC1_DAT2, SD_PAD_CTRL),
 106                 NEW_PAD_CTRL(MX53_PAD_SD1_DATA3__ESDHC1_DAT3, SD_PAD_CTRL),
 107                 MX53_PAD_EIM_DA13__GPIO3_13,
 108         };
 109
 110         u32 index;
 111         int ret;
 112
 113         esdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC_CLK);
 114
 115         for (index = 0; index < CONFIG_SYS_FSL_ESDHC_NUM; index++) {
 116                 switch (index) {
 117                 case 0:
 118                         imx_iomux_v3_setup_multiple_pads(sd1_pads,
 119                                                          ARRAY_SIZE(sd1_pads));
 120                         break;
 121
 122                 default:
 123                         printf("Warning: you configured more ESDHC controller"
 124                                 "(%d) as supported by the board(1)\n",
 125                                 CONFIG_SYS_FSL_ESDHC_NUM);
 126                         return -EINVAL;
 127                 }
 128                 ret = fsl_esdhc_initialize(bis, &esdhc_cfg[index]);
 129                 if (ret)
 130                         return ret;
 131         }
 132
 133         return 0;
 134 }
 135 #endif
 136
 137 int board_early_init_f(void)
 138 {
 139         setup_iomux_uart();
 140         setup_iomux_fec();
 141
 142         return 0;
 143 }
 144
 145 int board_init(void)
 146 {
 147         /* address of boot parameters */
 148         gd->bd->bi_boot_params = PHYS_SDRAM_1 + 0x100;
 149
 150         return 0;
 151 }
 152
 153 int checkboard(void)
 154 {
 155         puts("Board: MX53SMD\n");
 156
 157         return 0;
 158 }